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NFM demod: adjusted deviations, scaling and audio volume
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@ -414,7 +414,7 @@ void NFMDemod::applyAudioSampleRate(int sampleRate)
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m_squelchCount = 0; // reset squelch open counter
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m_ctcssDetector.setCoefficients(sampleRate/16, sampleRate/8.0f); // 0.5s / 2 Hz resolution
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m_afSquelch.setCoefficients(sampleRate/2000, 600, sampleRate, 200, 0); // 0.5ms test period, 300ms average span, audio SR, 100ms attack, no decay
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m_phaseDiscri.setFMScaling((8.0f*sampleRate) / static_cast<float>(m_settings.m_fmDeviation)); // integrate 4x factor
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m_phaseDiscri.setFMScaling(sampleRate / static_cast<float>(m_settings.m_fmDeviation));
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m_audioFifo.setSize(sampleRate);
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m_settingsMutex.unlock();
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@ -330,7 +330,7 @@
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<string>Sound volume</string>
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</property>
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<property name="maximum">
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<number>20</number>
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<number>40</number>
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</property>
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<property name="pageStep">
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<number>1</number>
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@ -25,8 +25,8 @@
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const int NFMDemodSettings::m_rfBW[] = {
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5000, 6250, 8330, 10000, 12500, 15000, 20000, 25000, 40000
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};
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const int NFMDemodSettings::m_fmDev[] = { // corresponding FM deviations
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1000, 1500, 2000, 2000, 2000, 2500, 3000, 3500, 5000
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const int NFMDemodSettings::m_fmDev[] = { // corresponding single side FM deviations at 0.4 * BW
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2000, 2500, 3330, 4000, 5000, 6000, 8000, 10000, 16000
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};
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const int NFMDemodSettings::m_nbRfBW = 9;
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